40784975 has 24 divisors (see below), whose sum is σ = 63055488. Its totient is φ = 25423200.

The previous prime is 40784969. The next prime is 40784981. The reversal of 40784975 is 57948704.

It is an interprime number because it is at equal distance from previous prime (40784969) and next prime (40784981).

It is not a de Polignac number, because 40784975 - 2⁴ = 40784959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8669 + ... + 12518.

It is an arithmetic number, because the mean of its divisors is an integer number (2627312).

Almost surely, 2^40784975 is an apocalyptic number.

40784975 is a deficient number, since it is larger than the sum of its proper divisors (22270513).

40784975 is a wasteful number, since it uses less digits than its factorization.

40784975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21215 (or 21210 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 40784975 is about 6386.3115332718. The cubic root of 40784975 is about 344.2178599015.

The spelling of 40784975 in words is "forty million, seven hundred eighty-four thousand, nine hundred seventy-five".